Refactor move classes to implement respective interfaces for better structure

Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Frozen.cs

@@ -1,7 +1,7 @@
 namespace PkmnLib.Plugin.Gen7.Scripts.Status;
 
 [Script(ScriptCategory.Status, "frozen")]
-public class Frozen : Script
+public class Frozen : Script, IScriptPreventMove
 {
     private IPokemon? _pokemon;
 
@@ -16,7 +16,7 @@ public class Frozen : Script
     }
 
     /// <inheritdoc />
-    public override void PreventMove(IExecutingMove move, ref bool prevent)
+    public void PreventMove(IExecutingMove move, ref bool prevent)
     {
         if (move.UseMove.MoveType.Name == "fire" || move.UseMove.HasFlag("defrost"))
         {